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Neutron spin echo studies of the glass-like pyrochlore Y2Mo2O7

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1016/S0304-8853(00)00770-8
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Affiliation
  1. National Research Council of Canada. NRC Steacie Institute for Molecular Sciences
FormatText, Article
ConferenceInternational Conference on Magnetism (ICM 2000), 6–11 August 2000, Recife, Brazil
Subjectmagnetic frustration; neutron scattering; pyrochlore
Abstract
We performed neutron spin echo measurements, on the geometrically frustrated antiferromagnet Y2Mo2O7 to reveal the magnetic nature of this glass-like system close to the freezing temperature, Tf. Diffuse magnetic scattering S(Q), indicative of spatial correlations, were observed to peak at a wave vector, Q≈0.45 Å−1 below 25 K. The normalized intermediate scattering function, , was measured as a function of temperature and Q. This provides evidence of the dynamics within the system and reveals at least two relaxation processes above and below Tf≈22.5 K.
Publication date
In
  • Journal of Magnetism and Magnetic Materials 226-230, no. 1 (May 2001): 460–462.
LanguageEnglish
NPARC number12337698
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Record identifier0e5968eb-8526-434c-bd4c-97ae9bf1097b
Record created2009-09-10
Record modified2020-03-27
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